Growing community of inventors

Ladera Ranch, CA, United States of America

Matthew Jacob Richman

Average Co-Inventor Count = 2.00

ph-index = 2

The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.

Forward Citations = 17

Matthew Jacob RichmanScott Calvin Baker (2 patents)Matthew Jacob RichmanMatthew Jacob Richman (2 patents)Scott Calvin BakerScott Calvin Baker (9 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Spectrum Brands, Inc. (1 from 632 patents)

2. Kwikset Corporation (1 from 44 patents)


2 patents:

1. 10012010 - Padlock cylinder retention

2. 9328535 - Padlock cylinder retention

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as of
1/3/2026
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